Nickle-based powder superalloy FGH96 is regarded as one of ideal choices for the high-property turbine disk in an aero engine. In this paper

the FGH96 was laser melting deposited in four different scanning modes respectively. The purpose of this research is mainly to find out the effects of different scanning modes on microstructure

mechanical properties during laser deposited process. The results are shown as followed. The microstructure morphology of deposited layers is mainly epitaxially grown columnar crystal. Cracks are found in parallel scanning modes while none in zig-zag scanning mode. The main phases in samples are solid solutions

Laves phase and carbides. Sample made by parallel zig-zag mode with the same direction between layers has larger microhardness and the average is 389.3HV0.2. Its tensile strength is 1065.29MPa and the elongation is 28.17%. It has excellent mechanical properties and the fracture features of ductile fracture.